Sources Stack Endpoints Pricing Docs vs RentCast
Get API Key → justin@proptechusa.ai 1-888-784-3881
Live — propdata.proptechusa.ai

Real estate data.
Institutional grade.
$49/mo.

Rent estimates, days on market, active inventory, price per sqft, and AI-computed investor signals for every ZIP in America. Built on the same 163-worker Cloudflare infrastructure powering PropTechUSA.ai.

Get API key → vs RentCast
33K+ZIP Codes
<50msAvg Latency
$0Per-Call Fees
7+Data Sources
Live API — Try it now
propdata.proptechusa.ai/v1/market
// Query any ZIP, state (MN), or metro name // ────────────────────────────────────────── Waiting for query...
163+ CF Workers KV Edge Cache Supabase HUD Zillow ZORI Realtor.com Redfin Census ACS
Data Sources

Seven sources.
One response.

PropData aggregates HUD, Zillow Research, and Realtor.com — sources institutional investors pay thousands per month for — normalizes them, and serves them in a single API call. Flat monthly rate. Zero per-call fees. Ever.

SOURCE 01

Fair Market Rents

U.S. Dept. of Housing & Urban Development

The government's official rent benchmark — the same data used to set Section 8 voucher amounts. Every county in America. Studio through 4-bedroom. Ground truth for affordability analysis.

STUDIO1BR2BR3BR4BRCOUNTY-LEVELFREE GOVT DATA
SOURCE 02

Observed Rent Index

Zillow Research

ZORI — Zillow's smoothed median asking rent for all homes and multifamily. The most cited rent trend dataset in real estate. ZIP, metro, state, and national with 10 years of history.

MEDIAN RENTYOYMOMZIP-LEVEL10 YR HISTORY
SOURCE 03

Market Metrics

Realtor.com Research

Monthly listing data: median prices, days on market, active inventory, new listings, price reductions, price per sqft. The pulse of the for-sale market at ZIP level.

DOMPRICE/SQFTINVENTORYPRICE CUTS
SOURCE 04

Market Tracker

Redfin

Sale-to-list ratio, % sold above list, days to pending, months of supply. The sharpest demand signal in public real estate data.

SALE/LIST RATIO% ABOVE LISTDAYS TO PENDING
SOURCE 05

ACS Demographics

US Census Bureau

Vacancy rates, renter %, median income, rent-to-income ratio. Affordability context nobody else includes at this price.

VACANCY RATERENTER %RENT BURDEN
SOURCE 06 — COMING SOON

Building Permits

US Census Bureau BPS

Monthly new construction by unit type. Predicts supply 12-18 months out. The forward-looking signal most APIs don't have.

SINGLE FAMILYMULTIFAMILYSUPPLY SIGNAL
Infrastructure

Built on Cloudflare.
Zero cold starts.
Global edge.

PropData runs on 9 dedicated Cloudflare Workers with a shared KV cache and Supabase backend. Every ingestion worker runs on its own cron — HUD weekly, ZORI and Realtor monthly. Data is cached at the edge and served in under 50ms anywhere in the world. This is the same infrastructure stack powering PropTechUSA.ai's 165+ production Workers.

🏗️

163+ Cloudflare Workers

PropData runs on dedicated Workers inside PropTechUSA.ai's 163-worker production infrastructure. No monolith. Pure edge.

DEPLOYED + LIVE
⚡

KV Edge Cache

All market data cached at Cloudflare's edge. 7-day TTL. Sub-50ms reads globally.

031d6a9e — ACTIVE
🗄️

Supabase Canonical Store

7 normalized tables. HUD FMR, ZORI zip/state/metro, Realtor zip/state/metro. Indexed for fast queries.

rlfyavnhbngwbldebrid
🔐

API Key Auth + Rate Limiting

Tiered access. Free 50/hr, Pro 500/hr, Internal unlimited. Keys provisioned in KV instantly.

STRIPE INTEGRATED
PropData Pipeline — Part of 163-Worker Stack
HUD APIWeekly cron
→
Zillow S3Monthly CSV
→
Realtor S3Monthly CSV
→
Ingestion WorkersNormalize + upsert
→
SupabaseCanonical store
→
KV CacheEdge — 7d TTL
→
propdata APIYour API key
→
Your App<50ms
What You Get

Merged data.
Computed signals.

Every /v1/market response includes a signals array — investor intelligence automatically computed from the merged dataset. Gross yield, market velocity, inventory pressure. Not just raw numbers. Answers.

Est. Gross Yield6.8%
Rent Growth YoY+4.1%
Market VelocityFast — 24 days DOM
Inventory PressureLow — down 14% YoY
Selling Above List101.8% sale/list
Vacancy RateVery Tight — 3.2%
Rent Burden28% of income
Endpoints
GET/v1/marketFull profile
?zip=55101 | ?state=MN | ?metro=Minneapolis
Rent + listing + signals — one response
GET/v1/rentRent only
HUD FMR by bedroom + ZORI median asking rent
Fastest endpoint for rent-focused apps
GET/v1/listingMarket data
DOM, inventory, price/sqft, price cuts, new listings
For-sale market pulse at ZIP level
GET/v1/healthStatus
Source status + last ingestion timestamps for all workers
API REFERENCE — v1

Build anything.
Ship fast.

One endpoint. Six data sources. Zero per-call fees. Everything you need to build institutional-grade real estate tooling.

BASE URL
https://propdata-api-worker
.sales-fd3.workers.dev
CONTENT TYPE
application/json
🔑

AUTHENTICATION

Every request requires your API key. Pass it as a header (recommended) or query parameter.

HEADER (RECOMMENDED)
x-api-key: pd_free_YOUR_KEY
QUERY PARAMETER
?api_key=pd_free_YOUR_KEY
⚡

ENDPOINTS

GET /v1/market Full market profile — rent + market + affordability + signals 6 sources
PARAMETERS
zip5-digit ZIP code — e.g. 55101
state2-letter code — e.g. MN, TX, FL
metroMetro name — e.g. Minneapolis
monthsHistory depth, default 12
RESPONSE SHAPE
snapshot.rent → ZORI + HUD FMR
snapshot.market → Realtor + Redfin + FHFA
snapshot.affordability → Census ACS
snapshot.signals → Computed
history.rent_trend → 12mo ZORI
history.market_trend → 12mo Realtor
# by ZIP
GET /v1/market?zip=55101
# by state
GET /v1/market?state=MN
# by metro
GET /v1/market?metro=Minneapolis
# with history depth
GET /v1/market?state=TX&months=24
GET /v1/rent Rent-only — ZORI median asking rent + HUD FMR by bedroom lighter + faster
GET /v1/rent?zip=55101 # same params: zip | state | metro
GET /v1/health System status + last ingestion timestamps for all workers no auth
GET /v1/health # no API key required
{'}'}

CODE EXAMPLES

const res = await fetch(
  'https://propdata-api-worker
   .sales-fd3.workers.dev/v1/market
   ?state=MN',
  { headers: {
    'x-api-key': 'YOUR_KEY'
  } }
);
const data = await res.json();
// data.snapshot.market.hpi_1yr_chg
// data.snapshot.signals[0].value
📊

RATE LIMITS

TIERREQ/HRPRICE
Free 50 $0/mo
Pro popular 500 $49/mo
Enterprise ∞ Custom

ERROR CODES

401 Invalid or missing API key
404 No data for this location
429 Rate limit exceeded — upgrade to Pro
500 Server error — contact support
READY TO BUILD?

Get your API key in 10 seconds.

Free tier. No credit card. No BS.

PropData vs The Market

Why pay per call
when you can own it?

FeaturePropDataRentCastATTOMCoreLogic
Rent by bedroom (FMR)✓✓——
Median asking rent trend (ZORI)✓✓✓✓
Days on market + inventory✓—✓✓
AI investor signals (computed)✓———
Pricing modelFlat $49/moPer callEnterpriseEnterprise
No per-call fees✓———
Free tier available✓———
ZIP + State + Metro✓✓✓✓
Pricing

Simple pricing.
No surprises.

Flat monthly access. Your API key is live the moment you sign up. No credit card required for the free tier. Cancel pro anytime. Enterprise gets direct founder access.

Starter
$0
free forever
  • 50 requests per hour
  • All endpoints
  • ZIP, state, metro queries
  • Investor signals included
  • No SLA guarantee
  • Community support
Pro
$49
per month
  • 500 requests per hour
  • All endpoints
  • 36 months of history
  • Investor signals
  • Email support
  • Cancel anytime
Enterprise
$—
custom
  • Unlimited requests
  • White-label available
  • Custom data sources
  • SLA + dedicated support
  • PropTechUSA.ai integration
  • Direct founder access
Contact us →

Stop paying per call.
Start building.

PropData is built by Justin Erickson / PropTechUSA.ai — the same infrastructure powering IntelligentHomeBuying.com, IntelligentLandlord.com, and Local Home Buyers USA. 165+ Cloudflare Workers in production.

Talk to us
PropData API Dashboard
Welcome back
FREE TIER
Your API Key
pd_••••••
Header: x-api-key  |  Param: ?api_key=
Usage This Hour
0 requests— / hr
API Playground
// Authenticated requests appear here